The largest ZIP codes in the Austin metro

the Austin metro · Data as of 2026-10-29 · ALEX Intelligence

124,834 Population — ZIP 78660

#	Zip Code	Population
1	ZIP 78660	124,834
2	ZIP 78641	99,865
3	ZIP 78745	61,219
4	ZIP 78753	56,920
5	ZIP 78748	55,631
6	ZIP 78744	50,986
7	ZIP 78704	50,688
8	ZIP 78758	49,617
9	ZIP 78741	45,951
10	ZIP 78759	43,182

Methodology

Source:: U.S. Census Bureau, American Community Survey 5-Year Estimates, 2024
Measure: Population, ranked highest first across ZIP codes in Caldwell, Travis, TX (50 ranked in total).
Universe: Places below a 5,000-resident floor are excluded so a median computed on a handful of households cannot top the ranking.
Vintage: 2024
Reproduce this query: https://api.census.gov/data/2024/acs/acs5?get=NAME%2CB01003_001E%2CB01002_001E%2CB19013_001E%2CB25077_001E%2CB25064_001E%2CB25003_001E%2CB25003_002E%2CB25002_001E%2CB25002_003E%2CB25035_001E%2CB25010_001E%2CB25070_001E%2CB25070_007E%2CB25070_008E%2CB25070_009E%2CB25070_010E%2CB25075_001E%2CB25075_024E%2CB25075_025E%2CB25075_026E%2CB25081_001E%2CB25081_009E%2CB01001_020E%2CB01001_021E%2CB01001_022E%2CB01001_023E%2CB01001_024E%2CB01001_025E%2CB01001_044E%2CB01001_045E%2CB01001_046E%2CB01001_047E%2CB01001_048E%2CB01001_049E&for=zip%20code%20tabulation%20area%3A%2A&key=YOUR_CENSUS_KEY

Every figure on this page is computed directly from the dataset named above by ALEX Intelligence. No figure on this page was written by hand or by a language model. The query is stated so that anyone can re-run it and obtain the same table.

Licensed by the Texas Real Estate Commission. Broker: Alexander Tiffany Southwest, LLC · License #565194-BB. Diane Hart Alexander, Chair & CEO, ALEX Companies · Designated Broker · #574877-B. George Arnold Alexander III, Partner, ALEX Companies · Associate Broker · #574878-B.
Texas Real Estate Commission Information About Brokerage Services · TREC Consumer Protection Notice · trec.texas.gov